Right triangle ABC is located at A (-1, -2), B (-1, 1), and C (-5, 1) on a coordinate plane. What is the equation of a circle A with radius AC?
O(x + 1)² + (y + 2)² = 9
O(x + 5)2 + (y-1)² = 16
O(x + 1)2 + (y + 2)² = 25
O(x + 5)2 + (y-1)² = 25